PUSH-BUTTON START TERMINALS OF ECU


  1. CHECK POWER MANAGEMENT CONTROL ECU

    A00YNGLN59

    1. Disconnect the A130, E111 and E112 power management control ECU connectors.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      A130-2 (IG2D) - Body ground Output GR - Body ground IG2 signal 20°C (68°F) Approximately 310.14 Ω IG2 Relay Monitor(Outside)
      A130-23 (STP) - Body ground Input L - Body ground Stop light switch signal Brake pedal depressed → Brake pedal released 9 V or higher → 1 V or less Stop Light Switch1
      E111-1 (AM22) - Body ground Input L - Body ground Power source Power switch off 11 to 14 V -
      E112-7 (AM21) - Body ground Input L - Body ground Power source Power switch off 11 to 14 V -
      E111-5 (E01) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      E112-5 (E02) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      E111-6 (E1) - Body ground - BR - Body ground Ground Always Below 1 Ω -
      E112-4 (E12) - Body ground - BR - Body ground Ground Always Below 1 Ω -
      E112-17 (SSW2) - Body ground Input B - Body ground

      SSW2 contact signal

      Tech Tips

      Backup for SSW1. Behaves the same way as SSW1.

      		 Power switch pushed → Power switch not pushed Below 1 Ω → 10 kΩ or higher Start Switch2
      E111-7 (SSW1) - Body ground Input SB - Body ground SSW1 contact signal Power switch pushed → Power switch not pushed Below 1 Ω → 10 kΩ or higher Start Switch1
      E112-2 (IG1D) - Body ground Output W - Body ground IG1 signal 20°C (68°F) 54.32 to 79.32 Ω IG1 Relay Monitor(Outside)
      E112-1 (ACCD) - Body ground Output V - Body ground ACC signal 20°C (68°F) 163 to 238 Ω ACC Relay Monitor
      E111-14 (SPDI) - E111-6 (E1) Input V - BR Vehicle speed signal Always 30 kΩ or higher Vehicle Speed Signal

    3. Reconnect the A130, E111 and E112 power management control ECU connectors.

    4. Measure the voltage and check for pulses according to the value(s) in the table below.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      A130-2 (IG2D) - E111-6 (E1) Output R - BR IG2 signal Power switch on (ACC) → Power switch on (IG) 1 V or less → 9 V or higher -
      E111-16 (P1) - E111-6 (E1) Input Y - BR P position signal Park (P) selected → Park (P) not selected 9 V or higher → 1.5 V or less -
      E112-17 (SSW2) - E111-6 (E1) Input B - BR

      SSW2 contact signal

      Tech Tips

      Backup for SSW1. Behaves the same way as SSW1.

      		 Power switch not pushed → Power switch pushed 9 V or higher → 1 V or less Start Switch2
      E111-7 (SSW1) - E111-6 (E1) Input SB - BR SSW1 contact signal Power switch not pushed → Power switch pushed 9 V or higher → 1 V or less Start Switch1
      E112-1 (ACCD) - E111-6 (E1) Output V - BR ACC signal Power switch off → Power switch on (ACC) 1 V or less → 8.5 V or higher ACC Relay Monitor
      E112-2 (IG1D) - E111-6 (E1) Output W - BR IG1 signal Power switch on (ACC) → Power switch on (IG) 1 V or less → 9 V or higher IG1 Relay Monitor(Outside)
      E111-14 (SPDI) - E111-6 (E1) Input V - BR Vehicle speed signal Vehicle being driven at approx. 5 km/h (3 mph)

      Pulse generation

      (See waveform 2)

      		 Vehicle Speed Signal
      A130-22 (PCON) - E111-6 (E1) Output LG - BR P position signal Park (P) selected

      Pulse generation

      (See waveform 1)

      		 -
      A130-28 (PPOS) - E111-6 (E1) Input SB - BR P position signal Park (P) selected

      Pulse generation

      (See waveform 1)

      		 -

    5. Using an oscilloscope, check the waveform of the ECU.


      1. A00YPCGE01

        Waveform 1

        Item Content
        Tester Connection

        CH1: A130-22 (PCON) - E111-6 (E1)

        CH2: A130-28 (PPOS) - E111-6 (E1)
        Tool Setting 10 V/DIV., 10 ms/DIV.
        Condition Power switch on (IG)
      2. A00YPJ6N11

        Waveform 2

        Item Content
        Tester Connection E111-14 (SPDI) - E111-6 (E1)
        Tool Setting 5 V/DIV., 20 ms./DIV.
        Condition Power switch on (IG), vehicle being driven at approx. 5 km/h (3 mph)

        Tech Tips

        The wavelength becomes shorter as the vehicle speed increases.

  2. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

    A00YMK9N29

    1. Disconnect the E116 and E117 certification ECU (smart key ECU assembly) connectors.

    2. Measure the voltage and resistance according to the value(s) in the table below.

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      E117-1 (E) - Body ground - W-B - Body ground Ground Always Below 1 Ω -
      E116-5 (+B) - E117-1 (E) Input W - W-B +B power supply Power switch off 11 to 14 V -
      E116-4 (CUTB) - E117-1 (E) Input LG - W-B Dark current cut pin* Power switch off 11 to 14 V -

      • *: In order to prevent the vehicle auxiliary battery from being depleted when the vehicle is shipped long distances, a fuse that cuts unnecessary electrical load while the vehicle is being shipped is set in the circuit. If the fuse is removed, the circuit becomes open. If the fuse that is between the vehicle auxiliary battery and terminal CUTB is removed and the circuit is open, the certification ECU (smart key ECU assembly) changes to a certain control mode (example: the transmission of radio waves every 0.25 seconds that form the detection area stops).

      If the result is not as specified, there may be a malfunction on the wire harness side or the fuse is removed.

    3. Reconnect the E116 and E117 certification ECU (smart key ECU assembly) connectors.

    4. Measure the voltage according to the value(s) in the table below.

      Tester Connection Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item
      E116-16 (IG) - E117-1 (E) Input GR - W-B GR power supply Power switch off → on (IG) Below 1 V → 11 to 14 V Ignition Switch
      E117-11 (CLG5) - E117-1 (E) Output P - W-B Output to No. 1 indoor electrical key antenna assembly (front floor)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Front Room (key diagnostic mode)
      E117-10 (CG5B) - E117-1 (E) Output G - W-B Output to No. 1 indoor electrical key antenna assembly (front floor) (terminal on opposite side of component from CLG5 output terminal)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Front Room (key diagnostic mode)
      E115-14 (CLG6) - E117-1 (E) Output W - W-B Output to No. 2 indoor electrical key antenna assembly (rear floor)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Rear Room (key diagnostic mode)
      E115-5 (CG6B) - E117-1 (E) Output LG - W-B Output to No. 2 indoor electrical key antenna assembly (rear floor) (terminal on opposite side of component from CLG6 output terminal)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Rear Room (key diagnostic mode)
      E115-4 (CLG7) - E117-1 (E)*1 Output R - W-B Output to No. 3 indoor electrical key antenna assembly (inside luggage)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Back Door (inside) (key diagnostic mode)
      E115-3 (CG7B) - E117-1 (E)*1 Output G - W-B Output to No. 3 indoor electrical key antenna assembly (inside luggage) (terminal on opposite side of component from CLG7 output terminal)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

      		 Pulse generation (See waveform 1) Over Head + Back Door (inside) (key diagnostic mode)
      E115-15 (RCO) - E117-1 (E) Output V - W-B

      Output to door control receiver

      (Power supply for door control receiver. Certification ECU (smart key ECU assembly) outputs 5 V when receiver starts operating.)

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly brought outside vehicle

      3. Electrical key transmitter sub-assembly brought outside vehicle but kept inside wireless function operational area*2

      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      		 Pulse generation (See waveform 2) -
      E115-6 (RDAM) - E117-1 (E) Input Y - W-B Door control receiver verifies data received from electrical key transmitter sub-assembly. Door control receiver sends data to ECU and intermittently grounds 12 V signal from certification ECU (smart key ECU assembly).

      Proceed:


      1. Power switch off

      2. All doors locked

      3. Electrical key transmitter sub-assembly brought outside vehicle but kept inside wireless function operational area*2

      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      		 Pulse generation (See waveform 3) -
      E115-7 (CSEL) - E117-1 (E) Output L - W-B Communication channel switching circuit

      Procedure:


      1. Power switch off

      2. All doors closed

      		 Below 1 V → 4.5 to 6 V → Below 1 V Key diagnostic mode

      • *1: For RHD

      • *2: For details about the areas that are inside the wireless function operational area, refer to Operation Check.

        Click here

    5. A00YP0QC13
      *a Door open
      *b After approximately 30 seconds from when the door is closed
      A00YN4AC12
      *a Before lock or unlock switch of Electrical Key Transmitter Sub-assembly pressed
      *b After lock or unlock switch of Electrical Key Transmitter Sub-assembly pressed

      Using an oscilloscope, check waveform 1.

      Tech Tips

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Waveform 1 (Reference)
      Item Content
      Tester Connection

      E117-11 (CLG5) - E117-1 (E)

      E117-10 (CG5B) - E117-1 (E)

      E115-14 (CLG6) - E117-1 (E)

      E115-5 (CG6B) - E117-1 (E)

      E115-4 (CLG7) - E117-1 (E)

      E115-3 (CG7B) - E117-1 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly not inside vehicle

      3. Door is open

      4. Door is closed

      5. Within 30 seconds

    6. Using an oscilloscope, check waveform 2.

      Tech Tips

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Waveform 2 (Reference)
      Item Content
      Tester Connection E115-15 (RCO) - E117-1 (E)
      Tool Setting 2 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Power switch off

      2. Electrical key transmitter sub-assembly brought outside vehicle

      3. Electrical key transmitter sub-assembly brought outside vehicle but kept inside wireless function operational area*

      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      • *: For details about the areas that are inside the wireless function operational area, refer to Operation Check.

        Click here

    7. A00YPTPC12
      *a Before lock or unlock switch of Electrical Key Transmitter Sub-assembly pressed
      *b After lock or unlock switch of Electrical Key Transmitter Sub-assembly pressed

      Using an oscilloscope, check waveform 3.

      Tech Tips

      The oscilloscope waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.

      Waveform 3 (Reference)
      Item Content
      Tester Connection E115-6 (RDAM) - E117-1 (E)
      Tool Setting 5 V/DIV., 500 ms/DIV.
      Condition

      Procedure:


      1. Power switch off

      2. All doors locked

      3. Electrical key transmitter sub-assembly brought outside vehicle but kept inside wireless function operational area*

      4. Lock or unlock switch of electrical key transmitter sub-assembly not pressed → pressed

      • *: For details about the areas that are inside the wireless function operational area, refer to Operation Check.

        Click here